查询词典 ping-pong ball

Brentford's fourth goal came in the 65th minute. Glenn Poole, receiving the ball from a corner, slammed it across the area, where trialist Marc Phillips directed it into the Woking net.

布伦特福德的第四个进球在第65分钟完成，格伦-普尔接角球横传，试训球员马克-菲利普斯直接射门得分。

The friction and wear properties of Mg PSZ ceramics under dry sliding from room temperature to 600 ℃ were investigated using a ball on flat tribometer.

研究了氧化镁部分稳定氧化锆陶瓷在不同环境温度下的摩擦磨损行为与机制。

The crystal structure,morphology and tribological properties of Ag films deposited at low temperature were analyzed by X-ray diffraction,scanning electron microscopy and ball-on-disk vacuum tribometer,respectively.

利用X射线衍射仪、扫描电镜和真空摩擦试验机对低温沉积银膜的晶体结构、表面形貌和摩擦学性能进行了研究。

The adhesion to substrate and friction and wear properties of the GLC film on UHMWPE substrate were investigated using a scratch tester and a ball-on-disk tribometer respectively.

用划痕仪和球-盘式摩擦磨损机研究了GLC薄膜与UHMWPE基体的界面结合力和GLC薄膜的摩擦磨损性能。

The wear resistance of TiN film and the substrate is studied by the ball-on-disk tribometer in the air, and the microcosmic analyses about the wear areas are obtained by scanning electron microscope, energy dispersive spectrum, and surface figure apparatus.

采用球－盘式摩擦磨损实验机对比研究了基片和薄膜在与GCr15配副的情况下，二者在空气中干磨擦状态下的摩擦磨损性能；利用扫描电镜、能量衍射谱仪和表面粗糙度台阶轮廓仪对薄膜的磨损区域进行了微观分析。

The tribological performance of the bio-oil was evaluated by MQ-800 four-ball tribometer.

采用四球摩擦磨损试验等方法，研究了热解液化方法制备的生物质燃油的摩擦学特性。

The effect of metallic surface film and wear debris on the dry sliding behavior and self generated voltage of various metal metal systems was experimentally investigated on a specially designed ball on disc tribometer.

针对几种常用金属摩擦副，在球－盘式摩擦磨损试验机上考察了金属表面膜及其磨粒对其摩擦行为和表面自生电势的影响。

A four-ball tribometer was employed to evaluate its anti-wear and friction-reducing properties.The best tribological performance could be obtained with the coe...

经四球长磨实验表明，当含氮硼酸酯在液体石蜡中的添加量为0.25%时，摩擦因数降至0.094；磨斑直径为0.49mm。

Tringle Quadrilateral hexagon octagon and cireular flat shape can be formed. Cambered net shell can have the form of cylinder, olive, ball, etc.

可构成三角形、四边形、六边形、八边形和园形等多种平面形状；曲面网壳则可以构成园筒形，橄榄形、园球形等任意形状。

A triple purpose product featuring a toilet tank ball cock fill valve, anti-siphon backflow preventer, and a thermal expansion relief valve.

一种三用产品，具有马桶水箱浮球注水阀，反虹吸防回流阀，和热膨胀安全阀。

But this is impossible, as long as it is engaging in a market economy, there are risks in any operation.

但是，这是不可能的，只要是搞市场经济，是有风险的任何行动。

We're on the same wavelength.

我们是同道中人。